974163634 has 4 divisors (see below), whose sum is σ = 1461245454. Its totient is φ = 487081816.

The previous prime is 974163559. The next prime is 974163637. The reversal of 974163634 is 436361479.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 620159409 + 354004225 = 24903^2 + 18815^2 .

It is not an unprimeable number, because it can be changed into a prime (974163637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243540907 + ... + 243540910.

Almost surely, 2^974163634 is an apocalyptic number.

974163634 is a deficient number, since it is larger than the sum of its proper divisors (487081820).

974163634 is a wasteful number, since it uses less digits than its factorization.

974163634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487081819.

The product of its digits is 326592, while the sum is 43.

The square root of 974163634 is about 31211.5945443356. The cubic root of 974163634 is about 991.3126260811.

The spelling of 974163634 in words is "nine hundred seventy-four million, one hundred sixty-three thousand, six hundred thirty-four".